2 * ============LICENSE_START==========================================
4 * ===================================================================
5 * Copyright (c) 2017 AT&T Intellectual Property
6 * ===================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * ============LICENSE_END=============================================
20 * ====================================================================
23 package org.onap.music.main;
25 import java.util.concurrent.Executors;
26 import java.util.concurrent.ScheduledExecutorService;
27 import java.util.concurrent.TimeUnit;
28 import javax.servlet.ServletContextEvent;
29 import javax.servlet.ServletContextListener;
30 import javax.servlet.annotation.WebListener;
33 public class CronJobManager implements ServletContextListener {
35 private ScheduledExecutorService scheduler;
38 public void contextInitialized(ServletContextEvent event) {
39 scheduler = Executors.newSingleThreadScheduledExecutor();
40 scheduler.scheduleAtFixedRate(new CachingUtil(), 0, 24, TimeUnit.HOURS);
44 public void contextDestroyed(ServletContextEvent event) {
45 scheduler.shutdownNow();